Table 2 Chemical composition of sand, waste concrete powder (WCP), waste brick powder (WBP), and waste tile powder (WTP).

From: Sustainable stabilization of sandy soil using alkali-activated construction waste binders

Component [wt.%]

SiO2

Al2O3

CaO

MgO

TiO2

SO3

Fe2O3

K2O

Na2O

L.O.I

Sand

98.41

0.2

0.28

-

-

-

0.89

0.022

0.03

0.17

WCP

49.09

8.60

19.39

1.41

0.33

1.36

3.13

2.1

2.06

12.06

WBP

58.83

12.92

12.99

3.08

0.69

0.31

5.34

3.27

1.5

0.51

WTP

76.62

11.67

3.23

1.02

0.2

0.27

1.12

2.34

2.99

0.05